QST Files by Issue Date

Report problems to W1ZR@arrl.org

Filename

Issue

Pages

Description

Author

Call Sign

QS0310Severns.zip Mar 2010 30-33 Details of test setup and more data Rudy Severns N6LF
QS0210Zavrel.zip Feb 2010 36-39 Details of traps and EZNEC model files Robert J Zavrel Jr W7SX
QS0210Johnson.pdf Feb 2010 40-42 Expanded article with I/O details Craig Johnson AA0ZZ
JohnstoneExtra.pdf Feb 2010 74-76 Photographs and technical information on the Chinese 222-1 receiver. Steve Johnston WD8DAS
QS0110Salas.pdf Jan 2010 34-35 Detailed construction article of matching network. Phil Salas AD5X
LloydCrystalRadio.pdf Jan 2010 67-69 Description of the K6GBM Csrystal Radio B. Lloyd WB6RQN/J79BPL
LloydBrophy.pdf Jan 2010 67-69 Olivia Brophys comments on being a student in Brian Lloyds class Olivia Brophy KI6TWK
QS1109Patzlaff.pdf Nov 2009 30-34 Expanded article with additional construction details A. Robert Patzlaff W9JQT
QS1109Morin.pdf Nov 2009 45-47 Expanded article with additional construction details Jean-Yves Morin VE2MHZ
80m 10-1-2009 1941utc.wav Nov 2009 72-75 Audio clip of a long delayed echo heard on 80 meters. Poul-Erik Karlshøj OZ4UN
80m 10-1-2009 1941utc two echos.wav Nov 2009 72-75 Audio clip of a two long delayed echoes heard on 80 meters. Poul-Erik Karlshøj OZ4UN
80m 10-1-2009 1910 UTC QSO with OZ7BQ.mp2 Nov 2009 72-75 Movie clip of a long delayed echo heard on 80 meters. Poul-Erik Karlshøj OZ4UN
C3S_12mModArt_a.pdf ARRLWeb Extra NA A set of diagrams for modifying the Force C-3S beam for operation on 12 meters. Vidi la Grange ZS1EL
6meters.mp3 Oct 2009 TBD Two minute audio clip of N1NN and KX9X operating at W5ZN during a 6-meter band opening that occured during the 2009 ARRL June VHF QSO Party. Steve Ford WB8IMY
Bike Ride.mp3 Sep 2009 TBD Two minute audio clip of Amateur Radio support during Angel Ride Steve Ford WB8IMY
QS0809Cicchinelli.zip Aug 2009 37-40 Negative regulator details, PC templates, other details Larry Cicchinelli K3PTO
QS0809Baker.zip Aug 2009 33-36 Multiple band dimensions, templates, other details Allen Baker KG4JJH
QS0709NewatDayton.pdf Jul 2009 61 Expanded report on new products at Dayton Joel Hallas W1ZR
QS0609WA50.doc Jun 2009 89-91 Bibliography for column subject: determining and maintaining frequency Gene Zimmerman W3ZZ
QS0609Spencer.zip Jun 2009 41-45 Radio Telescope Firmware Mark Spencer WA8SME
QS0609Bloom.zip Jun 2009 46 Paddle parts list and construction drawings Alan Bloom N1AL
QS0609Baker.zip Jun 2009 37-40 Keyer PC board details and supplemental information Allen Baker KG4JJH
QS0509Merkley.zip May 2009 34-36 Detailed construction photos Dwight Merkley N7KBC
QS0409vanStralen.zip Apr 2009 30-33 Expanded article, PC artwork, other details Marc van Stralen DK4DDS
QS0309Black.zip Mar 2009 67-69 Important Safety Warnings Byron Black W4SSY
QS0309Campbell.pdf Mar 2009 40-43 Longer version of article with more detail Rick Campbell KK7B
QS0309Shoemaker.zip Mar 2009 30-33 Detailed dimension drawings and figures Leo Shoemaker K4KIO
C3S_17mModArt.pdf ARRLWeb Extra N/A Detailed drawings for “Force 12 C-3S Yagi — A 17 Meter Modification” Vidi La Grange ZS1EL
QS0209Campbell.pdf Feb 2009 30-33 More comprehensive version of article. Rick Campbell KK7B
HarderWebContent.pdf Feb 2009 83-85 WAS -- Single Rover Photo Album Bob Harder W0BH
QS0209Gauger.pdf Feb 2009 76-77 Construction details Dave Gauger W9CJS
QS0109Hartlage.zip Jan 2009 59-60 More photos of the Mars Desert Research Station. Andrea Hartlage KG4IUM
QS1008Cebik.zip Oct 2008 30-32 Construction details, modeling files L.B. Cebik (SK) W4RNL
QS1008Steber.zip Oct 2008 36-40 Spectrum analyzer software and author’s note (rev 9/16/08) George Steber WB8LVI
QS0908Weit.zip Sep 2008 62-66 Microcode for dipole switch elements and controller Jim Weit KI8BV
QS0908Bruninga.doc Sep 2008 30-33 Implementation and check-out details Bob Bruninga WB4APR
QS0908ProdRev.mp3 Sep 2008 39-43

Digital transceiver audio comparison clips

Gary Pearce

KN4AQ

QS0808Weber.zip Aug 2008 33-36 Parts list, board layout, assembly and test details Steven Weber KD1JV
Electron.mpg Aug 2008

92

Video of electron in action Steve Ford WB8IMY
QSLmake24.zip July 2008

68

QSL Maker Software David Rabin W9PH
QS0708Morgan.pdf July 2008 36-38 Detailed fabrication drawings Jack Morgan KF6T
QS0608Kleinschmidt.pdf June 2008

45-48

More on inverter gensets

Kirk Kleinschmidt

NT0Z

QS0608Giuliano.zip June 2008 42-44 Use of trig for antenna calculations Robert Giuliano KB8RCO
QS0508Veatch.zip May 2008 33-37 TAK 40 Schematic, Parts list, Layout, PCB files (Rev 06/27/08) Jim Veatch WA2EUJ
QS0508Davis.zip May 2008 38-41

Firmware, PCB details

Milton Davis AI6MD
Gilbert et al 0408.zip Apr 2008 38-40 Schematic, Parts list Steve Gilbert, “Mick” McManus, and Mike Chirkov K1SG, W1JJ and UN8GC
Cebik-Cerreto0308.zip Mar 2008 30-34 Article with construction details, modeling files L. B. Cebik, Bob Cerreto W4RNL, WA1FXT
PubSrv0801.pdf Jan 2008 80 Public Service Organization Chart Lloyd Colston KC5FM
KWM2 on CW.pdf Jan 2008 30-34 Detailed KWM-2 modification and alignment instructions Richard Bitzer

WB2ZKW

Roznoy 1107 raw data.xls Nov 2007 30-33 Raw data from antenna testing Rich Roznoy K1OF
FrSySoftware.zip Oct 2007 38-42 Software for PC Synthesizer George R. Steber

WB9LVI

STEBWEB.pdf Oct 2007 38-42 Simple receiver; sound card considerations George R. Steber

WB9LVI

Michener0907.zip Sep 2007 34-35 EZNEC modeling files for portable wire Yagi James Michener K9JM
Cebik0807.zip Aug 2007 41-45 EZNEC Models for 6 Meter Yagi L.B. Cebik

W4RNL

Wagner0807.zip Aug 2007 46-47 Uni-Whip Antenna Length Table Roger Wagner

K6LNM

Lunsford0507.zip July 2007 35-39 The Smart Keyboard, Hex and Windows software Joe Lunsford N4YG
Kreuter0607.zip June 2007 30-32 Audible Antenna Bridge firmware Rod Kreuter

WA3ENK

GTK-Sounds.ppt June 2007 55-56 Digital modes PowerPoint with sounds Joel Hallas W1ZR
London0507.zip May 2007 99-101 Sweepstakes BLOG and log checking article Steve London

N2IC

Johnson0507.pdf May 2007 37-42 QST Article – PIC-EL Part 1

Craig Johnson

AA0ZZ
Johnson0407.zip May 2007 37-42 PIC artwork and software

Craig Johnson

AA0ZZ

Cebik0407.zip

Apr 2007

32-36

Antenna modeling files

L.B. Cebik
Robert Cerreto

W4RNL
WA1FXT

Danzer0407.xls

Apr 2007

37

Fourier series simulation

Paul Danzer

N1II

HallasdB0407.xls

Apr 2007

61

dB loss calculation spreadsheet

Joel Hallas

W1ZR

Rotter0407.zip

Apr 2007

64-67

PC board artwork, layout

Nenad Rotter

9A5AN

Zauhar0307.zip

Mar 2007

32-37

Windows s/w; PIC Firmware; PC Artwork

Bertrand Zauhar

VE2ZAZ

W9rjf.xls

Mar 2007

44-46

Calculation Spreadsheet

Robert Fontaine

W9RJF

HallasSWR0207.doc

Feb 2007

63

SWR Tables

Joel Hallas

W1ZR

Okas0207.zip

Feb 2007

31-35

Artwork, firmware

Bob Okas

W3CD

Fowle0207.zip

Feb 2007

36-39

Audio demo, article text

Tom Fowle
Bill Gerrey

WA6IVG
WA6NPC

obrien0107.pdf

Jan 2007

42-45

The KWM-1 and Its Competition

Mike O'Brien

K0MYW

Clunn1106.zip

Nov 2006

28-32

Construction details for Antenna Impedance Meter for HF

Bob Clunn

W5BIG

k1jx.pdf

Nov 2006

91

World Above 50 MHz: Resources for VHF+ Propagation Modes

Gene Zimmerman

W3ZZ

nt0z.pdf

Nov 2006

91

World Above 50 MHz: Resources for VHF+ Propagation Modes

Gene Zimmerman

W3ZZ

Restoration.zip

Nov 2006

96

Restoration, an application to recover deleted files. Described in "Eclectic Technology" by Steve Ford, WB8IMY. (167kB)

Brian Kato

Gradijan1106.zip

Nov 2006

33-36

"Command and Control -- Talk to Your Radio and It May Talk Back" (357kB)

Steve Gradijian

WB5KIA

Field Day Audio 2006.mp3

Oct 2006

69-73

2006 Field Day Audio Recorded from
ICOM R-1500 Product Review

Steve Ford

WB8IMY

Widelitz0906.pdf

Sep 2006

40-41

Sample Sweepstakes LogReport

Ken Widelitz

K6LA

Okas0906.zip

Sep 2006

28-32

FCC-1 Frequency Counter. PCB and firmware

Bob Okas

W3CD

Bloom0806.zip

Aug 2006

35-37

VHF/UHF Propagation

Alan Bloom

N1AL

Shimazu0506.zip

May 2006

36

Autobug Keyer PCB

Taka Shimazu

JA3KAB

Arc Detector Details.pdf

Apr 2006

41

PC Board and Modifications

Jim Hanson

W1TRC

feedback0306.zip

Mar 2006

99

Schrader (0106) and TC (1105) Corrections

Joel Hallas

W1ZR

Baumeister0206.zip

Feb 2006

28-31

Morse Code Telemetry (42 kB)

Jerry Baumeister

KD5ZUG

vanMaanen0106.pdf

Jan 2006

28-30

VOACAP Analysis (4 MB)

R. Dean Straw

N6BV

Baker0106.zip

Jan 2006

31-36

VocalMaster speech proc.

Allen Baker

KG4JJH

superpacker.zip

Dec 2005

31-37

Const info and software (756 kB)

Gottlieb / Mitz

WA3WDK / WA3LTJ

Straw1205.pdf

Dec 2005

38

Corrected NVIS article (10 MB)

Dean Straw

N6BV

Liem1105.zip

Nov 2005

43

Article and photos from Katrina (2.0 MB)

Rick Lindquist

N1RL

white1155.pdf

Nov 2005

61

PDF of an article about contest operation (193 kB)

Stray

--

laptopfix.zip

Nov 2005

72

Correction to H&K 1105, Laptop Battery Mod.

Dick Frey

K4XU

Kuecken 1005.zip

Oct 2005

56

"A Fast TR Switch" (827 kB)

Jack Kuecken

KE2QJ

Steber.pdf (PDF of QEX article 326 kB)

LMS Prog.zip (software from QEX article 50 kB)

Oct 2005

36

"A Low Cost Automatic Impedance Bridge (PDF of related QEX article 326 kB)

George Steber

WB9LVI

Davidson1005.zip

Oct 2005

28

"Build an Automatic Antenna Switch Controller (251 kB)

Taylor Davidson

N4TD

Baker0805.zip

Aug 2005

28

Additional illustrations

Allen Baker

KG4JJH

0705ProdRev.zip

Jul 2005

63

Spider Beam EZNEC description file (1 kB)

Rosalie White

K1STO

Raydo.zip

June 2005

40

Additional Pattern Plots (444 kB)

John Raydo

K0IZ

Wudeesay.zip

Apr 2005

60

PIC programming code for transceiver "instant replay" (2 kB)

John A. Hansen

W2FS

stein_yagi\Stein_Yagi.pdf

Mar 2005

34

Description (size): A PDF file with detailed drawings and tables necessary for constructing the 3-1/2 Band Yagi antenna for the 10, 15 and 20 meter bands. (It also works, but not as well, on 12 meters.) (1.7 MB)

Bill Stein

KC6T

morsemeter.zip

February 2005

66

"The Morsemeter," audio CW output for a DVM, PIC source and object files, construction details, etching patterns. MorseMet.zip (inside) adds more characters to the original (34kB)

Steve Johnston, Tim Hynde

WD8DAS, KA8DDZ

ei9gq_keyer.zip

February 2005

40

"Homebrew Your Iambic Keyer," Source code (4 B)

N. G. Praveena

VU2PGB

panel-antenna.zip

February 2005

36

"A Panel-Reflector Antenna for 70 cm," construction details and pattern plots (9 MB). This may time out if opened through a Web connection. Please save it to your computer and open it locally.

Anthony Monteiro

AA2TX

23cm_amp.zip

December 2004

28

Schematic and construction details (including graphics) for a water-cooled UHF (793 kB)

Jim Klitzing

W6PQL

cope1204.zip

December 2004

38

Javascript dipole calculator. (1 kB)

M. Peri Cope

K7PER

04TC11.ZIP

November 2004

72

AD-9830-control source files 04TC11.ZIP (see Readme.txt, within the zip file) (3.9 MB)

Cross-Cole

N4ENM

boost_reg.zip

boost_reg_New.zip

November 2004

37

Figures and Construction details (4.4 MB). The project was updated with "New" on 1/3/2005 (4.0 MB). Each file is sufficient for its version of the project.

Kemppainen

N8XJK

hapirat.zip

September 2004

28-32

Expanded version of " The HAPIRAT, a Ham Audio Panel Interface for Receiving And Transmitting"

Mark Mandelkern

K5AM

code_player.zip

August 2004

28

Source and text files for "The Code Player"

Bob Adams

W6BEG

ctcss_encoder.zip

July 2004

32

Source and compiled code for "A CTCSS Tone Encoder with Morse Readout"

Gary S. Kath

N2OT

6mtransverter.zip

June 2004

The Ten-Tec 6 Meter Transverter on 12 or 17 Meters

William S. Berger

K6INJ

0406Cebik.zip

June
2004

73

MININEC model of the K8CU LPDA

LB Cebik

W4RNL

drake-synth.zip

June
2004

28

Drake synthesizer source code, programming files and PCB assembly drawings

Steven C.Hageman

Garland0504.zip May 2004 31-38

PC board artwork files

James Garland

W8ZR

smart keyer.zip

May 2004

42

The Smart Keyer Lite, instructions board patterns, hex code

Joseph Lunsford

N4YG

04TC04.zip

Apr 2004

82

Power Factor calculations (erroneously listed as 04TC03.zip in the column)

Alan Bloom

N1AL

6 meter moxon.zip

Apr 2004

65

A 6 Meter Moxon Antenna, drawings, photos, plots (10 MB).

Allen Baker

KG4JJH

ICOM-SGC interface.zip

Mar 2004

33

firmware flow-chart, object code hex file, source code text file (65 kB)

Bob Lewis

AA4PB

Cebik0204.zip

Feb 2004

36

"Power and Antenna Gain on 60 Meters," antenna modeling files (74 kB)

L. B. Cebik

W4RNL

Pi-Attn.zip

Feb 2004

75

"A Poor Man's QRP," Excel spreadsheet to calculate pi-attenuator values (10 kB)

Bob Schetgen

KU7G

picokeyer.zip

Dec 2003

38

"The PicoKeyer an Ultra Low Power CW Memory Keyer" PIC source code for the project. (3k)

Dale Botkin

N0XAS

lopes1003.zip

Oct 2003

28

"Designing a Shortened Antenna" A program to perform some of the calculations described in the article. (25k)

Luiz Duarte Lopes

CT1EOJ

03HK09.zip

Sep 2003

56-57

Hints and Kinks "A Custom Log"" Excel and Works documents to produce a custom portable log book. (7 kB)

William Parmley

KR8L

03HK08.zip

Aug 2003

61-62

Hints and Kinks "A PIC Programmer for All Computers" Extra schematic, text, etching pattern, parts placement diagram and public-domain PIC programmer software. (2.1 M)

Ralph Gable

WA2PUX

APRS_weather.zip

Aug 2003

28

"Amateur Radio, Paragliding and an APRS Weather Station" Supplemental information and figures. (119 k)

Richard Parry

W9IF

03sat06.zip

Jun 2003

87

"Satellites" A .wav audio file of G3WDG and I8CVS in QSO on the OSCAR 40 satellite using mode S/K (2.4 GHz up, 24 GHz down). The QSO took place during mode S/K tests conducted in February 2003.

Steve Ford

WB8IMY

fara-amp.zip

June 2003

35

"The FARA HF Project" Detailed drawings and construction data for 30-W HF amplifier project. (3.6 M)

James R. Valdes

WA1GPO

Black-Widow.zip

May 2003

35

"The Black Widow--A Portable 15 Meter Beam" Construction drawings and radiation plots for the antenna. (154k)

Allen Baker

KG4JJH

GDO.zip

May 2003

54

"A Modern GDO--The Gate Dip Oscillator" Photos, etching pattern, parts placement diagram. (317k)

Alan Bloom

N1AL

0304Grad.zip

Apr 2003

39

"Beginners' Computer Programming for Ham Radio, Pt 3" Source and executable files for several simple applications. (1.0 MB)

Steve Gradijan

WB5KIA

0303Grad.zip

Mar 2003

32

"Beginners' Computer Programming for Ham Radio, Pt 2" Source and executable files for several simple applications. (1.1 MB)

Steve Gradijan

WB5KIA

03TC02.zip

Feb 2003,

77-78

"Optimizing the Heathkit HW-101, SB100-102 Transceivers" (3M)

Mark Graalmanand Len Greenberg

WB8JKR WB8JCJ

Hansen0203.zip

Feb 2003

41-43

"Add Remote Control to Your ICOM Transceiver" Hex file for the microprocessor used in the project. (4k)

John Hansen

W2FS

Wade0103.zip

Jan 2003

38

"A 222-MHz Transverter for the Yaesu FT-817" Detailed jpg images to accompany the article. (3.7 M)

Paul Wade

W1GHZ

NoExcusesXcvr1202.pdf

Dec 2002

28

"Build the 'No Excuses' QRP Transceiver" Etching pattern and parts-placement diagram. (Revised 2/20/03) (111k)

Dan Metzger

K8JWR

Rotormapic.zip

Nov 2002

62

"The Rotormapic" Assembly source code for PIC, flowchart, photo of project interior. (2 M)

Roger Monroe

K7NTW

02HK09.zip

Sep 2002

56

"Soldering-Iron Controller Hint and Kink" Source code for a basic stamp microprocessor to control a soldering iron. (3k)

Lawrence R. Houbre Jr

AA1FS

dj-596.wav

Jun 2002

63

"Alinco DJ-596T FM/Digital Dual-Band Hand-Held Transceiver (Product Review)" A WAV file containing a sample of a digital voice audio transmission. (1.1M)

Stan Horzepa

WA1LOU

02HK04Fig1.zip

Apr 2002

64

"A DX-Beacon Clock (H&K)" A JPG image of a "clock" face to use with a 1/3-RPM motor for tracking the NCDXF beacons. (150k)

Don Goshay

W6MMU

02TC04.zip

Apr 2002

70

"Unexpected Long-Term Resistance Increases in Resistors (TC)" Excel worksheet tables and additional figures related to a study on aging in resistors. (164k)

Aaron D. Karty

KD4BYW

radmore.zip

Apr 2002

59

"A Lightning Detector for the Shack" Enclosure machining, PC board and parts placement diagrams in JPG format for an electronic lightning detector. (60k)

Bob Radmore

N2PWP

01TC12.zip

Dec 2001

69

"Some Javascript to Foil Spammers! (TC)" Script to prevent "spammers" from pulling e-mail addresses from your Web page. (2k)

Phil Karras

KE3FL

aprs.hex

Dec 2001

42

"A PC Keyboard Interface for the Kenwood D700" A hex file image for programming the project's PIC microcontroller. (8k)

John Hansen

W2FS

ve7ca-1.zip

Nov 2001

35

"Portable 2-Element Triband Yagi, A" EZNEC modeling files for 2-element wire triband Yagi. (3k)

Markus Hansen

VE7CA

schematic.zip

Oct 2001

"More on Schematic Drawing Software (H&K)" Symbols for creating schematics in CorelDraw. (971k)

Tom Hammond

N0SS.

layout.zip

Sep 2001

32

"Uncle Albert's Touchpad Keyer" PC-board artwork and parts-placement diagrams for an SMD-based keyer and touch paddles. (89k)

Sam Ulbing

N4UAU

audiopskv1.txt

Aug 2001

28

"PSK31 Audio Beacon" Source code for programming the Scenix SX28 microcontroller used in this single-chip PSK31 encoder. (39k)

George Heron

N2APB

spot_grabber.zip

Jun 2001

28

'The Spot Grabber" The operating software, source code and cabinet-drilling template for a self-contained packet DX spot display unit. (2M)

Paulo Jorge

CT1EFL

quikloop.zip

Apr 2001

73

"Quikloop: A Loop-Array Modeling Aid" A DOS-based program for use with the EZNEC antenna modeling programs that simplifies the calculation of wire endpoints for square, diamond and octagonal (to approximate circles) element shapes. An Excel spreadsheet for a 3-element array is included as an example. (50k)

Robert Patzlaff

W9JQT

squirt.zip

Apr 2001

40

"The NJQRP Squirt" Full-size templates, in PDF, for fabricating the PC-board components used in a reduced-size 80-meter antenna. (47k)

Joe Everhart

N2CX

trfrfi.zip

Mar 2001

32

"A Simple TRF Receiver for Tracking RFI" JPG images of the front panel artwork and a circuit board parts placement diagram. (42k)

Rick Littlefield

K1BQT,

ulbpic.zip

Feb 2001

39

"The World's Smallest Code-Practice Oscillator" A JPG image of the circuit board shown in Figure 6 with parts-placement outlines superimposed. (1k)

Sam Ulbing

N4UAU

SerSV0101.zip

Jan 2001

37

"Simulating Circuits and Systems with Serenade SV" Files containing the Serenade SV circuits that are described in the article. (187k)

David Newkirk

W9VES

schemat.zip

Dec 2000

66

"Schematic Drawing Software (H&K)" Schematic symbols in BMP format for drawing schematics in Windows Paint. (18k)

Bob Schetgen

KU7G

stone.zip

Dec 2000

33

"Source code for programming the PIC." (63k)

Ron Stone

KA3J

kisstnc.zip

Nov 2000

53

"An Inexpensive KISS-Mode TNC" Source code for programming the PIC. (12k)

John Hansen

W2FS

fassegen.zip

Oct 2000

40

"A Basic Stamp Morse Call-Sign Generator" A program listing for the Basic Stamp and an explanation of how the program functions. (1k)

Gerald Fasse

W8GF

grifffb.zip

Oct 2000,

50

"A 146- and 445-MHz J-Pole Antenna" Information for correcting a resonant-frequency problem that results from the use of heavier "type L" copper pipe in lieu of "type M" pipe. The file contains a description of the changes necessary, four graphs and a picture in JPG format. (290k)

Andrew S. Griffith

W4ULD

kellyth.zip

Aug 2000

45

"Build an Indoor-Outdoor Thermometer for Your Shack" Source code, in ASM and HEX, for programming the PIC. (5k)

Bert Kelly

AA4FB

severns.zip

July 2000

38

An Excel spreadsheet tool--based on George Brown's 1935 ground current equations--used for creating the graphs in the article. These are particularly useful for further investigations. (36k)

Rudy Severns

N6LF

moxonbas.zip

June 2000

38

"Having a Field Day with the Moxon Rectangle" A GW Basic program for calculating the dimensions of Moxon Rectangle antennas based on frequency and element diameter. (16k)

L. B. Cebik

W4RNL

morsepractice.hqx

May 2000

48

"Practice Morse Code with a Java Applet" A Java application for a sound card-equipped computer for "Koch Method" Morse code practice. Version for Macintosh. (76k)

Martin Minow

K6MAM

morsepractice.jar

May 2000

48

"Practice Morse Code with a Java Applet" A Java application for a sound card-equipped computer for "Koch Method" Morse code practice. Version for Windows or Linux. (73k)

Martin Minow

K6MAM

picswrr.zip

April 2000

61

"Add a Morse Readout to the AA4FB PIC SWR Meter" The PIC code in ASM and HEX. (5k)

Bert Kelley

AA4FB

0003n9ks.zip

Mar 2000

60

"A Simple Antenna Flipper" BMP images of the cutting and drilling templates for a hinged antenna boom-to-mast clamp. (95k)

Ken Secora

N9KS

rca.zip

Feb 2000

37

"A Repeater Controller Accessory: The RCA" Software and source code for programming the ICs. (Note: For further information, please contact LDG Electronics at 410-586-2177.)

Dwayne Kincaid

WD8OYG

keypad.zip

Dec 1999

38

"A Direct Frequency Entry Keypad for ICOM Transceivers" Source code for programming the PIC. (15k)

John Hansen

W2FS

keypad3.zip

Dec 1999

38

"A Direct Frequency Entry Keypad for ICOM Transceivers" An updated version of the source code, now including automatic mode switching, for programming the PIC. (17k)

John Hansen

W2FS

picswr.zip

Dec 1999

40

"A PIC SWR Meter" The PIC code in ASM and HEX. (4k)

Bert Kelley

AA4FB

hamweb09.zip

Nov 1999

33

HamWeb: "A New Approach to Mobile Data Services" A client/server software program for accessing Internet data via Amateur Radio. (199k)

John Hansen

W2FS

byqk.zip

Sep 1999

42

"Beyond the QUICK" PC-board artwork and parts placement diagrams in PDF and HGL for accessory circuits for a keyer and transmit/receive sequencer (see Jun 1999 The QUICK: QRP Under Integrated Control from the Keyer, p 43). (76k)

Rod Kreuter

WA3ENK

ik3oil2.zip

Aug 1999

37

"A PIC16F84-Based CW Decoder" Updated software for programming the PIC16F84 and the PC-board layout diagram in Circad. (154k)

Francesco Morgantini

IK3OIL

870stamp.zip

July 1999

64.

"Basic Stamp Remote-Base Controller Adapted for Kenwood TS-870 (H&K)" Source code for programming the Basic Stamp for remote controlling the Kenwood TS-870. (17k)

Robert J. Molloy

KD2UJ,

hfvhfwat.zip

Jul 1999

42

"A Microprocessor Controlled Multichannel Wattmeter for HF, VHF and UHF" The software, including the source code, for programming the 68HC11 microprocessor. (23k)

Dwayne Kincaid

WD8OYG

quick.zip

Jun 1999

43

"The QUICK: QRP Under Integrated Control from the Keyer" Source code for the PIC and two BMP files for the PC-board. (54k)

Rod Kreuter

WA3ENK

kossor.pdf

Mar 1999

40

Give Your QRP Rig a Major Power Boost--Part 1,

Mike Kossor

WA2EBY

hag2mrx.zip

Feb 1999

35

"A Synthesized 2-Meter FM Receiver with PC Control" A Windows 95/98 control program and the object and source code for a PC controlled 2-meter receiver project. (3M)

Steve Hageman

fasse.zip

Jan 1999

34

"Rotator Magic" Software for the Basic Stamp, including the source code, a calibration check list and more detailed assembly instructions for an improved control box for Ham-M rotators. (99k)

Gerald Fasse

W8GF

azelctrl.zip

Dec 1998

42

"An Inexpensive Az-El Satellite Antenna Rotator System" Source code for the microcomputer. (129k)

Jim Koehler

VE5FP

qrmkam.zip

Dec 1998

63

"An SSTV Filter Using the KAM-Plus (H&K)" Windows 95/NT program for controlling the filtering capabilities of the KAM-Plus for improving SSTV reception. (82k)

Bruce Taylor

AE0T

channelw.zip

Nov 1998

43

"ChannelWatch: A Multiple Frequency Activity Monitor" An accessory Windows 95 program for the ChannelWatch that provides a time profile of channel activity. (86k)

John Hanson

W2FS

cwreader.bin

Nov 1998

35

"The Micro McElroy" An EPROM binary program file for a CW reader. (2k)

Bert Kelly

AA4FB

picqs10.zip

Oct 1998

34

"Using PIC Microcontrollers in Amateur Radio Projects" Source code for a PIC Morse generator. (1k)

John Hanson

W2FS

gpscntrl.zip

Jul 1998

37

"A GPS-Based Frequency Standard" Source code for the PIC. (3k)

Brooks Shera

W5OJM

706stamp.zip

May 1998

33

"An Inexpensive Remote-Base Station Controller Using the Basic Stamp" Source code for programming the Basic Stamp for remote controlling the IC-706. (5k)

John Hanson

W2FS

bpfs.zip

May 1998

44

"Clean Up Your Signals with Band-Pass Filters" HF band-pass filter design program in BASIC. (2k)

Ed Wetherhold

W3NQN

frohne.zip

Apr 1998

40

"A High-Performance, Single-Signal, Direct-Conversion Receiver with DSP Filtering" A program for computing filter coefficients and plotting frequency response curves. (312k)

Rob Frohne

KL7NA

kuehl.zip

Mar 1998

39

"Build Efficient, Short Vertical Antennas" EZNEC antenna definitions package. (32k)

Thomas Kuehl

AC7A

hageman.zip

Feb 1998

35

"Build Your Own Network Analyzer--Part 2" Windows 3.1/95 operating program and the source code. (405k)

Steve Hageman

anding.zip

Jan 1998

36

"A PIC of an IDer" Source code for a PIC-based Morse code IDer. (2k)

Bob Anding

AA5OY

dl4fbi.zip

Oct 1997

46

"How's DX?--Now!" QBasic program that will automatically monitor the IARU/NCDXF beacons using a PC and a computer-controlled transceiver. (144k)

Helmut Zurneck

DL4FBI

inst230e.exe

Aug 1997

36

"An Easy Way to Copy the Weather Satellites" Windows 3.1/95 program for decoding LEO APT weather satellite pictures using a soundcard. (128k)

Eugene Ruperto

W3KH

ic245.zip

Jul 1997

44

"Computer Control for Mobile Ham Radio Operation" A Turbo Pascal program for computer controlling the IC-245 with an HP palmtop. (1k)

Arthur Zygielbaum

WA6SAL

wi5w.zip

Jul 1997

34

"Build Your Own Intelligent Amateur Radio Transceiver (New Books)" Source code for programming an EPROM. (14k)

Randy Lee Henderson

WI5W

prtarptr.zip

Apr 1997

37

"The PortaPeater" Source code for programming the CPU. (11k)

Jay Craswell

WB0VNE

miniswr1.ps

Feb 1997

33

"A Pocket-Size, Direct Reading VHF SWR Meter" Postscript PC-board artwork file. (90k)

Bill VanRemmen

KA2WFJ

otterson.zip

Feb 1997

37

"Build a $60 Talking Repeater Controller" PIC source code and operating manual. (15k)

Jeff Otterson

N1KDO

micro_m.zip

Sep 1996

41

"The Micro-M-A Miniature Charge Controller" PC-board artwork and set up instructions. (26k)

Michael Bryce

WB8VGE

radiosky.zip

Jun 1996

32

"The Radio Sky" Coordinate-conversion and ICOM R-7100 control software for observing celestial noise sources. (28k)

Darrell Emerson

AA7FV

dbrain.zip

May 1996

32

"Weekend DigiBrain" Source code for programming the CPU. (23k)

James Craswell

WB0VNE

mla2500b.zip

May 1996

45

"New Life for Dentron MLA-2500s" Builder's details, ARRL Lab test data and photos of the author's modified amplifier. (899k)

George Daughters

AB6YL

rvs8.src

Apr 1996

38

"Microprocessor-Controlled Repeater Voting System: the RVS-8" Source code file for programming the CPU. (48k)

Dwayne Kincaid

WD8OYG

baycom.zip

Dec 1995

36

"An Easy Path to Packet: the IMP" Baycom TNC program by Florian Radlherr, DL8MBT. (432k)

Tony Marchese

N2YMW

das.zip

Dec 1995

25

"DAS-DTMF Accessory Squelch" DAS Configuration Reference Guide. (36k)

Paul Newland

AD7I

supslope.exe

Dec 1995

32

"The Super Sloper" Description files for the antenna plots shown in the article. (4k)

Roger Sparks

W7WKB

biennew.src

Nov 1995

36

"A Heads-Up Display for Kenwood MF/HF Transceivers" Updated source code for programming the CPU. (12k)

Steven Bienvenu

NB5F,

bienvenu.src

Nov 1995

36

"A Heads-Up Display for Kenwood MF/HF Transceivers" Original source code for programming the CPU. (14k)

Steven Bienvenu

NB5F

rcimages.zip

Nov 1995

71

"Airborne Amateur Television" Images from the article in GIF format. (1.1M)

Ronald Berkman

KA9CAP

dtmfconv.zip

Jun 1995

35

"A DTMF to RS-232 Converter and HF-Link Controller" Source code for the control program. (293k)

Nigel Thompson

KG7SG

voicetrk.zip

Jun 1995

27

"Voice-Track--A Multifunction, Talking Repeater Controller" Source code for programming the CPU. (17k)

Alexander Bonello

LW2EET

digivfo.zip

May 1995

30

"Weekend DigiVFO" Source code, executable files, schematic and a shareware compiler. (306k)

James Craswell

WB0VNE

morse2.zip

Jan 1995

60

"Quick and Easy CW With Your PC" QBasic source code, set-up file, sample logging file and a HELP file. (94k)

Ralph Taggert

WB8DQT

morse3.zip

Jan 1995

60

"Quick and Easy CW With Your PC" An updated version of morse2.zip. (132k)

Ralph Taggert

WB8DQT

bunn4lta.zip

Oct 1994

41

"A CW "Stamp" Identifier" Source code for programming the PIC. (3k)

Pat Bunn

N4LTA

nshadow.zip

Jul 1994

83

"North Shadow (TC)" IBM BASIC program for determining the time of day on a specific date that a shadow will point north at a known longitude. (22k)

Irvin McNally

K6WX

staton.zip

Jul 1994

26

"A Pocket-Size, Talking Morse Computer" Source code for programming the EPROM. (192k)

Ken Staton

KD6LHB

cwspeed.zip

Jun 1994

40

"Fast Code in Florida (Strays)" IBM-compatible PC program for measuring CW code speed. (126k)

Ted Herrman

AE8G

esprop14.zip

May 1994

107

"Sporatic-E Mapping (The World Above 50 MHz)" ES-PROP program by Jim Roop, K0BI. (141k)

Emil Polock

W3EP

hp48pack.pgm

May 1994

110

"N4QN's HP-48 Packet Calculator (Packet Perspective)" Packet program for the HP-48 calculator. (3k)

Al Gerheim

N4QN

qsocord.zip

Feb 1994

45

"The QSOcorder" Source code for programming the EPROM. (15k)

Steve Reyer

WA9VNJ

antsys.pcx

Oct 1993

39

"Schematics at Your Fingertips" A zipped file with the schematic symbol files including antsys.pcx, rc.pcx, circuits.pcx and translog.pcx in BMP format for drawing schematics in Windows Paint (the downloaded file will be schemat.zip). (18k)

Ken Schofield

W1RIL

circuits.pcx

Oct 1993

39

"Schematics at Your Fingertips" A zipped file with the schematic symbol files including antsys.pcx, rc.pcx, circuits.pcx and translog.pcx in BMP format for drawing schematics in Windows Paint. (the downloaded file will be schemat.zip) (18k)

Ken Schofield

W1RIL

rc.pcx

Oct 1993

39

"Schematics at Your Fingertips" A zipped file with the schematic symbol files including antsys.pcx, rc.pcx, circuits.pcx and translog.pcx in BMP format for drawing schematics in Windows Paint (the downloaded file will be schemat.zip). (18k)

Ken Schofield

W1RIL

translog.pcx

Oct 1993

39

"Schematics at Your Fingertips" A zipped file with the schematic symbol files including antsys.pcx, rc.pcx, circuits.pcx and translog.pcx in BMP format for drawing schematics in Windows Paint (the downloaded file will be schemat.zip). (18k)

Ken Schofield

W1RIL

kh6cp10g.zip

May 1993

21

"Home-Brewing a 10-GHZ SSB/CW Transverter" PC-board artwork. (290k)

Zack Lau

KH6CP

dspqst.zip

Sep 1992

43

"Low-Cost Digital Signal Processing for the Radio Amateur" Source code for programming the PROM. (31k)

Dave Hershberger

W9GR

mox-box.pdf

Jan 1965

"The Mox Box, A Simple Monitoring and Control Unit" (903 k)

hcal-10.txt

"HamCalc" version 10 installation instructions. (1k)

hcal-10.zip

"HamCalc" version 10. (511k)

patch-yt.zip

"yt.exe" v1.0 bug fix. (96k)

Dean Straw

N6BV

vester_k.zip

Vester SSTV software (783k)

vester_n.zip

Vester SSTV software Vester SSTV software version N. (980k)

vestjadd.zip

"Vester SSTV software" Vester SSTV software improvements. (137k)

vewd22i1.zip

VE's Assistant software--Volunteer Exams "Well Done" (1.2 M) (1.2M)

xtalf.zip

"A Butterworth and Chebyshev crystal ladder filter calculator in Lotus 1-2-3 spreadsheet" (5k)

ygo.txt

"Yagi Genetic Optimizer" Yagi design program documentation. (3k)

ygo_inst.exe

"Yagi Genetic Optimizer" Yagi Design Program. (399k)